/*
 * Copyright (c) 2018 DuckDuckGo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.duckduckgo.app.httpsupgrade

import org.junit.Assert.assertFalse
import org.junit.Assert.assertTrue
import org.junit.Test

class BloomFilterTest {

    private lateinit var testee: BloomFilter

    @Test
    fun whenBloomFilterEmptyThenContainsIsFalse() {
        testee = BloomFilter(FILTER_ELEMENT_COUNT, TARGET_ERROR_RATE)
        assertFalse(testee.contains("abc"))
    }

    @Test
    fun whenBloomFilterContainsElementThenContainsIsTrue() {
        testee = BloomFilter(FILTER_ELEMENT_COUNT, TARGET_ERROR_RATE)
        testee.add("abc")
        assertTrue(testee.contains("abc"))
    }

    companion object {
        const val FILTER_ELEMENT_COUNT = 5000
        const val TARGET_ERROR_RATE = 0.001
    }
}
